Lately, there’s been a lot of talk about the benefits of sulfate free shampoo. If this is the first you’ve heard of it, you’re probably wondering, “What’s the deal with sulfate and why does it matter if it’s in my shampoo or not?”

carols daughter clarifying shampoo Should You Use Sulfate Free Shampoo? Carol’s Daughter Rosemary Mint Sulfate Free Shampoo from Sephora, $13

Well, you’re probably familiar with sulfate since it’s the product in your shampoo that makes your hair soapy when you later up and also cuts down on grease. But, unfortunately recent studies have linked sulfate to other problems like dry hair and an itchy scalp and even more serious problems like cancer (although studies are still being done to prove this.)